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Siderite
Siderite

Tinzenite
Tinzenite



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Siderite
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Tinzenite

Siderite and Tinzenite Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
In thick sections

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.633-1.8751.690-1.705
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.242-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Siderite and Tinzenite Optic Character

Siderite and Tinzenite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Siderite and Tinzenite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Siderite and Tinzenite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Siderite and Tinzenite Transparency

Similar to their colors, Siderite and Tinzenite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Siderite is Transparent and Translucent while Siderite is Transparent and Translucent in appearance.